72 results about "Pulmonary function testing" patented technology

A breathing circuit for a tracheostomized patient provides respiratory care and pulmonary function testing. The breathing circuit includes a flow control adapter that directs an inspiratory flow of air and an expiratory flow of air. The flow control adapter includes a subject port for coupling to a tracheostomy tube, an inspiratory port for coupling to an incentive spirometer, and an expiratory port. The flow control adapter further includes an adapter body and a one-way valve. The adapter body is configured to define an inspiratory fluid flow path between the inspiratory port and the subject port and to define an expiratory fluid flow path between the subject port and the expiratory port. The one-way valve substantially prevents air that flows generally along the inspiratory fluid flow path from flowing through the expiratory port during inspiration and allows air flowing generally along the expiratory fluid flow path to flow through the expiratory port during expiration.

A system for calibrating pulmonary function test equipment having syringe means, including a syringe having a cylindrically shaped sidewall, a proximal end with an centrally located orifice, a distal end with an output port, an interior cavity, and a plunger with a shaft slidably mounted through the orifice, a piston-type head mounted on one end of the shaft, and a handle mounted on an opposing end of the shaft; an FRC port; a rigid FRC bag connected in flow communication with the FRC port; control means having a plurality of stop mechanisms, including a first stop mechanism, a second stop mechanism structured to enable selective connection of the interior cavity in flow communication with the FRC port, and a third stop mechanism, and connection means structured to connect the syringe means to existing pulmonary function test equipment. A method of utilizing the system is also disclosed.

The invention discloses a flow sensor for pulmonary function testing. The flow sensor comprises a base body, the base body is provided with a through hole capable of achieving air blowing, a high-pressure pressure tap and a low-pressure pressure tap, the high-pressure pressure tap and the low-pressure pressure tap are communicated with the through hole separately, the diameter of the middle of the through hole is smaller than that of the two ends of the through hole, the middle small-diameter segment of the through hole serves as a throat segment, the air blowing segment of the two ends of the through hole serves as an inlet segment, the high-pressure pressure tap is communicated with the inlet segment, and the low-pressure pressure tap is communicated with the throat segment. The flow sensor for pulmonary function testing has the advantages that the suitable changing gradient of a diameter difference is calculated and analyzed through the fixed diameter difference among the different hole segments of the through hole, it is guaranteed that the pressure difference under the laminar condition can be obtained between the high-pressure pressure tap and the low-pressure pressure tap, and therefore the flow sensor achieves the high testing sensitivity, is accurate in tested pressure difference valve and reusable, does not need to be calibrated and is simple in structure and low in usage cost.

The invention relates to a device for detecting the pulmonary function of creatures and a using method of the device. The device comprises a plethysmograph box, an animal breathing mask, an airflow shunt component and an oral flow velocity component, wherein the plethysmograph box is used for arranging an animal. The device further comprises a chest pressure measuring component and a tidal volume measuring component. The device can measure various indications of the pulmonary function including chest pressure, oral flow velocity, tidal volume, lung compliance and airway resistance, and the function of atomized application can be realized. The device for detecting the pulmonary function of the creatures is low in cost and convenient to operate, and the detected pulmonary indications can reflect actual conditions of the animal.

The present invention provides methods for the assessment of risk of developing chronic obstructive pulmonary disease (COPD), emphysema or both COPD and emphysema in smokers and non-smokers using analysis of genetic polymorphisms. The present invention also relates to the use of genetic polymorphisms in assessing a subject's risk of developing COPD, emphysema or both COPD and emphysema.

The invention relates to a pulmonary function examination system with an automatic seat adjustment function and an application method of the system. A supporting base is fixedly installed on a base, apulmonary function examination instrument is fixedly installed on the supporting base, and two parallelly-arranged horizontal supporting rods are fixedly installed at the top of the supporting base;a rotation shaft is fixedly installed between the ends of the two horizontal supporting rods, a rotation sleeve sleeves the outer side of the rotation shaft, and a first leakage hole and a second leakage hole are formed in the rotation cylinder; connection pipes are installed in the second leakage hole, the first leakage hole and the rotation cylinder, one end of each connection pipe is communicated with an air inlet through an air conveying pipe, and the other end of each connection pipe is communicated with an oral cavity anastomat; an automatic seat adjustment device is installed on the portion, of the base, below the corresponding position of the oral cavity anastomat, the supporting base is of a cuboid cavity structure, and a distributor plate is installed in the supporting base; an external power line is arranged at the outer side of the distributor plate, and the pulmonary function examination instrument is connected with a computer analysis mainframe through a wire and the distributor plate. The system helps to smoothly carry on air blowing operation, all-around comprehensive improvement is conducted from the precision degree of a detection result and the use experience ofa patient, and the system has great social and economic benefits.

The present invention provides methods for the assessment of risk of developing occupational chronic obstructive pulmonary disease (OCOPD) in smokers and non-smokers using analysis of genetic polymorphisms. The present invention also relates to the use of genetic polymorphisms in assessing a subject's risk of developing OCOPD. Nucleotide probes and primers, kits, and microarrays suitable for such assessment are also provided.

The invention discloses a pulmonary function meter, comprising a mobile phone and a pulmonary function sensor, wherein the pulmonary function sensor comprises an outer shell; the lower side of the outer shell is provided with a blowing nozzle; the left side or the right side of the outer shell is provided with an air outlet; the upper side of the outer shell is provided with a plug; a rotor and a stator are arranged in the outer shell; the rotor is located at the right upper part of the blowing nozzle; the stator is located at the right upper part of the rotor; the pulmonary function sensor is connected with a mobile phone circuit through the plug. The working principle is as follows: an user breaths towards the blowing nozzle, the air flow is blown in from the blowing nozzle to drive a rotary blade to rotate; as the rotary blade is made of magnetic materials, when the rotary blade is rotated, an electro-magnetic induction is generated between the rotary blade and a coil, a current signal is generated in the coil; and the current signal is transmitted to the mobile phone through the plug, the microphone (mic) current receiving, wave filtering and spectrum analysis are performed by the mobile phone, and are compared with the data implanted in the mobile phone in advance, thereby the condition of the pulmonary function is obtained. The pulmonary function meter provided by the invention is simple in structure, convenient to use, good in use effect, low in cost, and can be popularized and applied.

The invention relates to a lung function examination anastomat and a use method thereof. The upper part of a blow cylinder is provided with a fixing groove, the top of the blow cylinder is connected with a mouth tube, and the top of the mouth tube is connected with a limited blow port. The position where the limited blow port and the mouth tube are connected is provided with a limiting ring, and the outer sides of the fixing groove and the limiting ring are sleeved with a mouth-nose limited blow device. The whole product can only be used once, thus avoiding cross infection and secondary pollution; the safety factor is high; no air leakage is generated during use, the air blowing quantity is sufficient, and the accuracy of a detection result is improved; by using the mouth-nose limited blowdevice, high anastomosis and high practicability are realized, the whole product can be well combined with the lip and nostril parts and is suitable for patients with mouth defects, the application range of lung function detection is expanded, detection can be completed without the aid of external personnel and external equipment, and the product contained in the mouth of the patient does not generate discomfort. The humanized design enables detection to be conducted smoothly and improves the detection efficiency.

The present invention provides methods for the assessment of risk of developing chronic obstructive pulmonary disease (COPD), emphysema or both COPD and emphysema in smokers and non-smokers using analysis of genetic polymorphisms.

The invention provides a flow sensor for pulmonary function test, an application of the flow sensor to a pulmonary function tester and a pulmonary function testing method. The flow sensor is of a hollow tube structure and mainly formed by sequentially connecting an expiratory air inlet portion, a first cone, a throat and a second cone, a low-pressure pressure tap is formed in the tube wall of the throat, and a first high-pressure pressure tap and a second high-pressure pressure tap are formed in tube walls on two sides of the hollow tube structure except for the throat. The flow sensor and the pulmonary function tester can test bidirectional flow of expiration and inspiration and are compact in structure, convenient to calibrate and correct and simple in after-sales maintenance, and miniaturization of the pulmonary function tester is facilitated.

The invention discloses a child pulmonary function rehabilitation training instrument. The child pulmonary function rehabilitation training instrument comprises an expiration pipeline, a box connected with the expiration pipeline in a clamped manner, a detection circuit board installed in the box and used for detecting the air pressure condition in the expiration pipeline, and an intelligent mobile terminal internally provided with animation games driven by air pressure data in the expiration pipeline. The detection circuit board is provided with a detection circuit and comprises an air pressure sensor, an embedded CPU and a wireless communication module which are sequentially connected. A ventilation hole is formed in the side wall of the expiration pipeline, and a ventilation gasket is arranged between the ventilation hole and the air pressure sensor. The output end of the wireless communication module is in wireless connection with the intelligent mobile terminal. The child pulmonary function rehabilitation training instrument is ingenious in design, simple in principle, convenient to operate and capable of effectively activating the enthusiasm of children to accept the pulmonary function parameter test, and the child pulmonary function test becomes simple, rapid and accurate.

The disclosure relates to IL-13 antagonists, in particular anti-human-IL-13 antibodies and human-IL-13-binding fragments thereof, and their use for improvement, maintenance or reduction in the rate of decline of pulmonary function in a subject with impaired pulmonary function, which may be associated with uncontrolled moderate-to-asthma, COPD or IPF.

The invention relates to the field of personal software testing, and provides a method for testing the data processing accuracy of a pulmonary function detector. The method comprises the following steps: S1, reading a breath wave curve; S2, carrying out data processing on the breath wave curve by adopting a data processing module of the to-be-tested pulmonary function detector, thus obtaining measured values of pulmonary function parameters; and S3, comparing the measured values of the pulmonary function parameters with the standard values of the pulmonary function parameters, thus determining the data processing accuracy of the pulmonary function detector, wherein the standard values of the pulmonary function parameters are the pulmonary function parameter values of the breath wave curve. For the testing method provided by the invention, the flow data of a standard tested person or the breathing simulator does not need to be collected, so that the errors during the data collection process are avoided, the comparison result of the measured values of pulmonary function parameters and the standard values of the pulmonary function parameters directly reflects the data processing accuracy of the pulmonary function detector, and thus the judging precision for the data processing accuracy of the pulmonary function detector is improved.

The present invention relates to a device (1) comprising at least a first flow channel (5) and a liquid space (3) for a liquid. The device (1) also comprises a second flow channel (7) arranged in a flow connection with the liquid space (3), and a steam space (4) arranged to receive steam forming in the liquid space (3). The first flow channel (5) is arranged in a flow connection with the steam space (4). The device (1) also comprises means (8) for conveying a gas flow from the outside of the device (1) via the second flow channel (7) to the liquid space (3), and means (6) for conveying a gas flow from the steam space (4) via the first flow channel (5) to the outside of the device (1). Furthermore, the invention relates to a method in the device (1). In the method, a gas flow to the device (1) is conveyed via the second flow channel (7) to the liquid space (3), for increasing the pressure in the liquid space (3). As a result of the pressure increase, steam produced in the liquid space (3) is received in the steam space (4). The gas flow is conveyed from the steam space (4) via the first flow channel (5) to the outside of the device (1).

The invention discloses a multi-purpose medical instrument internal structure disinfection machine, which includes a box body, an ozone generator connected with a positive pressure air pump, a negative pressure air pump and a control circuit are arranged in the box body, the ozone generator is connected with the first The negative pressure air pump is connected to the filter through the second conduit, the atomizer is arranged in the box, the atomizer is connected to the first conduit through the third conduit, and the control circuit controls the positive Compression pump, ozone generator, atomizer and negative pressure air pump are opened or closed, and described atomizer is provided with the hydrogen peroxide aqueous solution that volume percent concentration is 8%~12%, and the present invention is applied to various Disinfection of the inside of pipeline medical equipment, such as ventilator, anesthesia machine, lung function tester, extracorporeal circulation machine, artificial kidney dialysis machine, it can completely disinfect the inside of the contaminated instrument without being corroded or damaged.

The invention provides a lung function testing system. The system comprises an indicating unit, a collecting unit, a processor and a storage medium; the indicating unit is used for outputting respiratory mode guiding signals; the collecting unit is used for collecting respiratory data in the respiratory process of a testee; the processor is connected with the indicating unit and the collecting unit; the storage medium is used for storing multiple instructions, wherein when the instructions are executed by the processor, the processor calculates the respiratory data and compares the data with apreset condition to obtain a processing result, and the indicating unit is controlled to output the respiratory mode guiding signals according to the processing result. The invention further providesa lung function testing method. By arranging the indicating unit on the lung function testing system, the indicating unit outputs the respiratory mode guiding signals to guide the testee in respiration, the difference in artificial guidance is reduced, and the application range of lung function testing is greatly expanded.